205413430 has 16 divisors (see below), whose sum is σ = 374425920. Its totient is φ = 81124992.

The previous prime is 205413407. The next prime is 205413457. The reversal of 205413430 is 34314502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129219 + ... + 130798.

It is an arithmetic number, because the mean of its divisors is an integer number (23401620).

Almost surely, 2^205413430 is an apocalyptic number.

205413430 is a deficient number, since it is larger than the sum of its proper divisors (169012490).

205413430 is a wasteful number, since it uses less digits than its factorization.

205413430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260103.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 205413430 is about 14332.2513932738. The cubic root of 205413430 is about 590.0329676110.

Adding to 205413430 its reverse (34314502), we get a palindrome (239727932).

The spelling of 205413430 in words is "two hundred five million, four hundred thirteen thousand, four hundred thirty".